For the National Exposure Report, an environmental chemical refers to a chemical compound or chemical element present in air, water, food, soil, dust, or other environmental media, such as consumer products. Blood and urine levels reflect the amount of the chemical that actually gets into the body from the environment. Either the chemical or its metabolite is measured. A metabolite is a substance produced when body tissues chemically alter the original compound.

The Fourth Report includes results for 75 chemicals measured for the first time in the U.S. population. These chemicals are in the following groups:

Findings in the Fourth Report indicate widespread exposure to some commonly used industrial chemicals.

Polybrominated diphenyl ethers are fire retardants used in certain manufactured products. These accumulate in the environment and in human fat tissue. One type of polybrominated diphenyl ether, BDE-47, was found in the serum of nearly all of the NHANES participants.

Bisphenol A (BPA), a component of epoxy resins and polycarbonates, may have potential reproductive toxicity. General population exposure to BPA may occur through ingestion of foods in contact with BPA-containing materials. CDC scientists found bisphenol A in more than 90% of the urine samples representative of the U.S. population.

Another example of widespread human exposure included several of the perfluorinated chemicals. One of these chemicals, perfluorooctanoic acid (PFOA), was a byproduct of the synthesis of other perfluorinated chemicals and was a synthesis aid in the manufacture of a commonly used polymer, polytetrafluoroethylene, which is used to create heat-resistant non-stick coatings in cookware. Most participants had measurable levels of this environmental contaminant.

Progress is being made in reducing children’s blood lead levels. New data on blood lead levels in children aged 1 to 5 years enable estimates of the number of children with elevated levels (that is, levels greater than or equal to 10 micrograms per deciliter [μg/dL])... However, the Fourth Report also notes that other data sources show that special populations of children at high risk for lead exposure (for example, children living in homes containing lead-based paint or lead-contaminated dust) have higher rates of elevated blood lead levels and remain a major public health concern.

This is where the correctness and objectivity of the report gives way to political pressures. Most current lead poisoning comes from toys made in China. Most Chinese toys are literally laced with lead, and this cannot be accidental, but it is being ignored. Also, Christmas trees and lights emit huge amounts of lead dust, because lead is intentionally added as the cheapest (not best) fire retardant. See our previous link for more information about these topics. Here, the C.D.C. begins showing its true colors, by dishonestly protecting both industry and the current political policies.

Acrylamide is formed when foods containing carbohydrates are cooked at high temperatures (e.g., French fries) and as a byproduct of tobacco smoke. Most people are exposed to acrylamide through the diet and from smoking.

There is a some truth in the suggestion that acrylamide can be formed by cooking oils, when the cooking temperatures are too high. However, they conveniently neglect to mention that this generally only happens at fast food restaurants and in processed foods. According to the E.P.A., "The greatest use of acrylamide is as a coagulant aid in drinking water treatment". The governmental bureaucrats are actually force-medicating us with that same poison in our drinking water, and then blaming us for getting poisoned with it. Of course, smokers are always fair game for corrupt politicians. If we had to make a health recommendation between ceasing smoking and ceasing drinking their tap water, then we would have to choose the elimination of the poisoned tap water.

For the first time, the Fourth Report characterizes mercury exposure of the U.S. population aged 1 year and older. Previous National Exposure Reports presented mercury levels for children 1–5 years old and women 16–49 years old. Total blood mercury levels are primarily composed of one type of mercury, methyl mercury, which enters the body mainly from dietary seafood sources. Findings in the Fourth Report show that total blood mercury levels increase with age for all groups and begin to decline after the fifth decade of life.

Seafood cannot actually be a high source of mercury, because seafood contains natural selenium, which chelates heavy metals (like mercury) out of the body. Despite what they try to imply about natural foods, like fish, God knew exactly what he was doing. We noticed that vaccines were not mentioned at all, and that type of mercury (ethyl) was just conveniently disregarded, despite its extreme neurotoxicity. The largest source of methyl mercury for Americans is dental fillings. That wasn't mentioned either.

The important thing to be learned from the report is that we must blame ourselves and tobacco, but never blame their water, pharmaceuticals, or the chemically/genetically engineered poisons they call "food". The government is protecting us, after all. Don't blame the Chinese for their lead-laced toys either. The following data about the poisons verified in American blood and urine is posted for your convenience. The full report text is available at www.cdc.gov/exposurereport. An asterisk (*) denotes a chemical presented for the first time in the Fourth Report.

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